388762479

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 653545984

約数和(自身を除く): 264783505

約数列:

[1, 3, 7, 9, 21, 63, 103, 181, 309, 331, 543, 721, 927, 993, 1267, 1629, 2163, 2317, 2979, 3801, 6489, 6951, 11403, 18643, 20853, 34093, 55929, 59911, 102279, 130501, 167787, 179733, 238651, 306837, 391503, 419377, 539199, 715953, 1174509, 1258131, 2147859, 3774393, 6170833, 18512499, 43195831, 55537497, 129587493, 388762479]

約数ペア:

[(1, 388762479), (3, 129587493), (7, 55537497), (9, 43195831), (21, 18512499), (63, 6170833), (103, 3774393), (181, 2147859), (309, 1258131), (331, 1174509), (543, 715953), (721, 539199), (927, 419377), (993, 391503), (1267, 306837), (1629, 238651), (2163, 179733), (2317, 167787), (2979, 130501), (3801, 102279), (6489, 59911), (6951, 55929), (11403, 34093), (18643, 20853)]